公开(公告)号：US08206245B2

公开(公告)日：2012-06-26

申请号：US12397707

申请日：2009-03-04

申请人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

发明人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

IPC分类号： A63B37/06

CPC分类号： A63B37/0003 ,  A63B37/0024 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0064 ,  A63B37/0076

摘要： A golf ball 2 includes a core 4, an envelope layer 6, a mid layer 8 and a cover 10. A thickness Tm of the mid layer 8 is less than 1.2 mm. A thickness Tc of the cover 10 is less than 0.6 mm. The sum of the thicknesses Tm and Tc is equal to or less than mm. A hardness Hs of the envelope layer 6 is 50 or greater. A hardness Hm of the mid layer 8 is 30 or greater and 60 or less. A hardness Hc of the cover 10 is less than 40. The hardness Hs, the hardness Hm, and the hardness Hc satisfy the following formula (1). Hs≧Hm≧Hc  (1) The base material of the envelope layer 6 is ionomer resin. The base material of the midlayer 8 is polyurethane. The base material of the cover 10 is polyurethane.

摘要翻译： 高尔夫球2包括芯4，包络层6，中间层8和盖10.中间层8的厚度Tm小于1.2mm。 盖10的厚度Tc小于0.6mm。 厚度Tm和Tc之和等于或小于mm。 包层6的硬度Hs为50以上。 中间层8的硬度Hm为30以上且60以下。 盖10的硬度Hc小于40.硬度Hs，硬度Hm和硬度Hc满足下式（1）。 Hs≥Hm≥Hc（1）包层6的基材为离聚物树脂。 中间层8的基材是聚氨酯。 盖10的基材是聚氨酯。

公开(公告)号：US20100160087A1

公开(公告)日：2010-06-24

申请号：US12619991

申请日：2009-11-17

申请人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isoagawa ,  Satoko Okabe

发明人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isoagawa ,  Satoko Okabe

IPC分类号： A63B37/02 ,  A63B37/12

CPC分类号： A63B37/0003 ,  A63B37/0037 ,  A63B37/0062 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092

摘要： A golf ball 2 includes a spherical core 4, a mid layer 6 positioned outside the core 4, and a cover 8 positioned outside the mid layer 6. The core 4 includes a spherical center 10 and an envelope layer 12 positioned outside the center 10. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a JIS-C hardness H1, at its central point, of 20 or greater and 50 or less. The difference (H4−H3) between the JIS-C hardness H4 of the core 4 at its surface and the JIS-C hardness H3 of the envelope layer 12 at its innermost portion is equal to or greater than 10. The cover 8 has a flexural modulus of 300 MPa or greater and 1000 MPa or less, and has a tensile modulus of 400 MPa or greater and 1500 MPa or less.

摘要翻译： 高尔夫球2包括球形芯4，位于芯4外部的中间层6和位于中间层6外侧的盖8.芯4包括球形中心10和位于中心10外部的包络层12。 中心部10的直径为1mm以上且15mm以下。 中心部10的中心点的JIS-C硬度H1为20以上且50以下。 核心4的表面的JIS-C硬度H4与包层12的最内部的JIS-C硬度H3之间的差（H4-H3）等于或大于10.盖8具有 弯曲弹性模量为300MPa以上且1000MPa以下，拉伸弹性模量为400MPa以上且1500MPa以下。

公开(公告)号：US20100035704A1

公开(公告)日：2010-02-11

申请号：US12490847

申请日：2009-06-24

申请人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuhiko Isogawa

发明人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuhiko Isogawa

IPC分类号： A63B37/02

CPC分类号： A63B37/02 ,  A63B37/0003 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0064

摘要： A golf ball 2 has a core 4, an inner cover 6 positioned outside this core 4 and an outer cover 8 positioned outside the inner cover 6. The core 4 has a spherical center 10 and a mid layer 12 positioned outside this center 10. The center 10 is formed by crosslinking a rubber composition. The mid layer 12 is formed by crosslinking a rubber composition. The inner cover 6 is made of a thermoplastic resin composition. The outer cover 8 is made of a thermoplastic resin composition. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a central point having JIS-C hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the core and a hardness H3 of an innermost part of the mid layer is equal to or greater than 10. A hardness H5 of the inner cover is smaller than a hardness H6 of the outer cover.

摘要翻译： 高尔夫球2具有芯部4，位于该芯部4外部的内部盖6和位于内部盖6外侧的外部盖8.芯部4具有球形中心10和位于该中心10外部的中间层12。 中心10通过交联橡胶组合物形成。 中间层12通过交联橡胶组合物形成。 内盖6由热塑性树脂组合物制成。 外盖8由热塑性树脂组合物制成。 中心部10的直径为1mm以上且15mm以下。 中心部10具有JIS-C硬度H1为20以上且50以下的中心点。 芯的表面的硬度H4与中层的最内部的硬度H3之间的差（H4-H3）等于或大于10.内盖的硬度H5小于硬度H6 的外盖。

公开(公告)号：US20090270202A1

公开(公告)日：2009-10-29

申请号：US12420883

申请日：2009-04-09

申请人： Hirotaka NAKAMURA ,  Keiji Ohama

发明人： Hirotaka NAKAMURA ,  Keiji Ohama

IPC分类号： A63B37/00

CPC分类号： C08K5/14 ,  A63B37/0044 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0092 ,  C08K5/098 ,  C08L9/00

摘要： A golf ball 2 has a spherical core 4 and a cover 6 positioned outside this core 4. The core 4 has a spherical center 8 and a mid layer 10 positioned outside this center 8. The center 8 is formed by crosslinking a rubber composition. A base rubber of the rubber composition contains polybutadiene as a principal component. The rubber composition contains sulfur as a crosslinking agent. The center 8 has a diameter of 1 mm or greater and 15 mm or less. The center 8 has a central hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the mid layer 10 and a hardness of an innermost part thereof is equal to or greater than 10.

摘要翻译： 高尔夫球2具有球形芯4和位于该芯4之外的盖6.芯4具有球形中心8和位于该中心8外部的中间层10.中心8通过使橡胶组合物交联而形成。 橡胶组合物的基础橡胶含有聚丁二烯作为主要成分。 橡胶组合物含有硫作为交联剂。 中心8的直径为1mm以上且15mm以下。 中心8的中心硬度H1为20以上且50以下。 中间层10的表面的硬度H4与其最内部的硬度之差（H4-H3）等于或大于10。

公开(公告)号：US20090075758A1

公开(公告)日：2009-03-19

申请号：US12222487

申请日：2008-08-11

申请人： Hirotaka Nakamura ,  Keiji Ohama

发明人： Hirotaka Nakamura ,  Keiji Ohama

IPC分类号： A63B37/12

CPC分类号： A63B37/0023 ,  A63B37/0022

摘要： Golf ball 2 has core 4, cover 6 and paint layer 12. The base polymer of the cover 6 includes a thermoplastic polyurethane elastomer. The cover 6 includes a benzotriazole based ultraviolet ray absorbing agent, a hindered amine light stabilizer and a hindered phenol heat resistance stabilizer. Provided that the molar concentration of the benzotriazole based ultraviolet ray absorbing agent is defined as A; the molar concentration of the hindered amine light stabilizer is defined as B; and the molar concentration of the hindered phenol heat resistance stabilizer is defined as C, the molar ratio (B/A) is 0.01 or greater and 0.5 or less, and the molar ratio [(B+C)/A] is 0.1 or greater and 1.5 or less. Preferably, the hindered amine light stabilizer does not have a hindered phenol group in the molecule. Preferably, the principal component of the elastomer is a reaction product of MDI and polyether polyol.

摘要翻译： 高尔夫球2具有芯4，盖6和涂料层12.盖6的基础聚合物包括热塑性聚氨酯弹性体。 盖6包括苯并三唑类紫外线吸收剂，受阻胺光稳定剂和受阻酚耐热稳定剂。 假设苯并三唑类紫外线吸收剂的摩尔浓度定义为A; 受阻胺光稳定剂的摩尔浓度定义为B; 受阻酚耐热稳定剂的摩尔浓度定义为C，摩尔比（B / A）为0.01以上且0.5以下，摩尔比[（B + C）/ A]为0.1以上 和1.5以下。 受阻胺光稳定剂优选在分子中不具有受阻酚基。 优选地，弹性体的主要成分是MDI和聚醚多元醇的反应产物。

公开(公告)号：US09186555B2

公开(公告)日：2015-11-17

申请号：US13454486

申请日：2012-04-24

申请人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

发明人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

IPC分类号： A63B37/06 ,  A63B37/00 ,  A63B37/02

CPC分类号： A63B37/0031 ,  A63B37/0003 ,  A63B37/0029 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/02 ,  C09D177/00 ,  C08K3/22 ,  C08L63/00

摘要： A golf ball 2 includes a core 4, an envelope layer 6 positioned outside the core 4, a mid layer 8 positioned outside the envelope layer 6, and a cover 10 positioned outside the mid layer 8. The core 4 includes a spherical center 12 and a core outer layer 14 positioned outside the center 12. The center 12 has a diameter of 1 mm or greater and 15 mm or less. The difference (H4−H3) between the JIS-C hardness H4 of the core 4 at its surface and the JIS-C hardness H3 of the core outer layer 14 at its innermost portion is equal to or greater than 10. The cover 10 has a Shore D hardness H7 less than 40. The Shore D hardnesses H5, H6 and H7 of the envelope layer 6, the mid layer 8, and the cover 10 satisfy that H5>H6≧H7.

摘要翻译： 高尔夫球2包括芯部4，位于芯部4外部的包络层6，位于包络层6外侧的中间层8和位于中间层8外侧的盖10.芯部4包括球形中心12和 位于中心12外的芯外层14.中心12的直径为1mm以上且15mm以下。 核心4的表面的JIS-C硬度H4与芯部外层14的最内侧的JIS-C硬度H3之间的差（H4-H3）等于或大于10.盖10具有 肖氏D硬度H7小于40.包层6，中层8和盖10的肖氏D硬度H5，H6和H7满足H5>H6≥H7。

公开(公告)号：US08389607B2

公开(公告)日：2013-03-05

申请号：US12222487

申请日：2008-08-11

申请人： Hirotaka Nakamura ,  Keiji Ohama

发明人： Hirotaka Nakamura ,  Keiji Ohama

IPC分类号： A63B37/12 ,  C08L75/08 ,  C08K5/3475

CPC分类号： A63B37/0023 ,  A63B37/0022

摘要： Golf ball 2 has core 4, cover 6 and paint layer 12. The base polymer of the cover 6 includes a thermoplastic polyurethane elastomer. The cover 6 includes a benzotriazole based ultraviolet ray absorbing agent, a hindered amine light stabilizer and a hindered phenol heat resistance stabilizer. Provided that the molar concentration of the benzotriazole based ultraviolet ray absorbing agent is defined as A; the molar concentration of the hindered amine light stabilizer is defined as B; and the molar concentration of the hindered phenol heat resistance stabilizer is defined as C, the molar ratio (B/A) is 0.01 or greater and 0.5 or less, and the molar ratio [(B+C)/A] is 0.1 or greater and 1.5 or less. Preferably, the hindered amine light stabilizer does not have a hindered phenol group in the molecule. Preferably, the principal component of the elastomer is a reaction product of MDI and polyether polyol.

公开(公告)号：US20090258730A1

公开(公告)日：2009-10-15

申请号：US12397706

申请日：2009-03-04

申请人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuya Kamino

发明人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuya Kamino

IPC分类号： A63B37/04

CPC分类号： A63B37/0003 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092

摘要： A golf ball 2 includes a core 4, an envelope layer 6, a mid layer 8 and a cover 10. A thickness Tm of the mid layer 8 is equal to or less than 1.0 mm. A thickness Tc of the cover 10 is less than 0.6 mm. The sum of the thicknesses Tm and Tc is equal to or less than 1.5 mm. A hardness Hc of the cover is less than 40. The hardness Hs, the hardness Hm, and the hardness Hc satisfy the following formula (1). Hs>Hc>Hm   (1) The base material of the envelope layer 6 is ionomer resin. The base material of the mid layer 8 is polyurethane. The base material of the cover 10 is polyurethane.

摘要翻译： 高尔夫球2包括芯4，包层6，中间层8和盖10.中间层8的厚度Tm等于或小于1.0mm。 盖10的厚度Tc小于0.6mm。 厚度Tm和Tc的总和等于或小于1.5mm。 盖的硬度Hc小于40.硬度Hs，硬度Hm和硬度Hc满足下式（1）。 Hs> Hc> Hm（1）包层6的基材是离聚物树脂。 中间层8的基材是聚氨酯。 盖10的基材是聚氨酯。

公开(公告)号：US08986138B2

公开(公告)日：2015-03-24

申请号：US12490847

申请日：2009-06-24

申请人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isogawa

发明人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isogawa

IPC分类号： A63B37/06 ,  A63B37/02 ,  A63B37/00

CPC分类号： A63B37/02 ,  A63B37/0003 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0064

摘要： A golf ball 2 has a core 4, an inner cover 6 positioned outside this core 4 and an outer cover 8 positioned outside the inner cover 6. The core 4 has a spherical center 10 and a mid layer 12 positioned outside this center 10. The center 10 is formed by crosslinking a rubber composition. The mid layer 12 is formed by crosslinking a rubber composition. The inner cover 6 is made of a thermoplastic resin composition. The outer cover 8 is made of a thermoplastic resin composition. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a central point having JIS-C hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the core and a hardness H3 of an innermost part of the mid layer is equal to or greater than 10. A hardness H5 of the inner cover is smaller than a hardness H6 of the outer cover.

摘要翻译： 高尔夫球2具有芯部4，位于该芯部4外部的内部盖6和位于内部盖6外侧的外部盖8.芯部4具有球形中心10和位于该中心10外部的中间层12。 中心10通过交联橡胶组合物形成。 中间层12通过交联橡胶组合物形成。 内盖6由热塑性树脂组合物制成。 外盖8由热塑性树脂组合物制成。 中心部10的直径为1mm以上且15mm以下。 中心部10具有JIS-C硬度H1为20以上且50以下的中心点。 芯的表面的硬度H4与中层的最内部的硬度H3之间的差（H4-H3）等于或大于10.内盖的硬度H5小于硬度H6 的外盖。

公开(公告)号：US08366568B2

公开(公告)日：2013-02-05

申请号：US12619991

申请日：2009-11-17

申请人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isoagawa ,  Satoko Okabe

发明人： Hirotaka Nakamura ,  Keiji Ohama ,  Kazuhiko Isoagawa ,  Satoko Okabe

IPC分类号： A63B37/06

CPC分类号： A63B37/0003 ,  A63B37/0037 ,  A63B37/0062 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092

摘要： A golf ball 2 includes a spherical core 4, a mid layer 6 positioned outside the core 4, and a cover 8 positioned outside the mid layer 6. The core 4 includes a spherical center 10 and an envelope layer 12 positioned outside the center 10. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a JIS-C hardness H1, at its central point, of 20 or greater and 50 or less. The difference (H4−H3) between the JIS-C hardness H4 of the core 4 at its surface and the JIS-C hardness H3 of the envelope layer 12 at its innermost portion is equal to or greater than 10. The cover 8 has a flexural modulus of 300 MPa or greater and 1000 MPa or less, and has a tensile modulus of 400 MPa or greater and 1500 MPa or less.

摘要翻译： 高尔夫球2包括球形芯4，位于芯4外部的中间层6和位于中间层6外侧的盖8.芯4包括球形中心10和位于中心10外部的包络层12。 中心部10的直径为1mm以上且15mm以下。 中心部10的中心点的JIS-C硬度H1为20以上且50以下。 核心4的表面的JIS-C硬度H4与包层12的最内部的JIS-C硬度H3之间的差（H4-H3）等于或大于10.盖8具有 弯曲弹性模量为300MPa以上且1000MPa以下，拉伸弹性模量为400MPa以上且1500MPa以下。